Ear plug



FIG. 1 is a perspective view of an ear plug showing my new design.

FIG. 2 is a side elevational view;

FIG. 3 is an end view, taken from the small end as seen in FIG. 2, and

FIG. 4 is an end view, taken from the large end as seen in FIG. 2.

The ornamental design for an ear plug, substantially as shown.